634286976 has 64 divisors (see below), whose sum is σ = 1696137600. Its totient is φ = 210009600.

The previous prime is 634286941. The next prime is 634287019. The reversal of 634286976 is 679682436.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52515 + ... + 63453.

It is an arithmetic number, because the mean of its divisors is an integer number (26502150).

Almost surely, 2^634286976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634286976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (848068800).

634286976 is an abundant number, since it is smaller than the sum of its proper divisors (1061850624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634286976 is a wasteful number, since it uses less digits than its factorization.

634286976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11107 (or 11095 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 51.

The square root of 634286976 is about 25185.0546157835. The cubic root of 634286976 is about 859.2019710811.

The spelling of 634286976 in words is "six hundred thirty-four million, two hundred eighty-six thousand, nine hundred seventy-six".